Quantitative Risk Assessment of Listeria monocytogenes in French Cold‐Smoked Salmon: I. Quantitative Exposure Assessment

Régis Pouillot, Nicolas Miconnet, Anne‐Laure Afchain, Marie Laure Delignette‐Muller, Annie Beaufort, Laurent Rosso, Jean‐Baptiste Denis and Marie Cornu

Risk Analysis, 2007, vol. 27, issue 3, 683-700

Abstract: A quantitative assessment of the exposure to Listeria monocytogenes from cold‐smoked salmon (CSS) consumption in France is developed. The general framework is a second‐order (or two‐dimensional) Monte Carlo simulation, which characterizes the uncertainty and variability of the exposure estimate. The model takes into account the competitive bacterial growth between L. monocytogenes and the background competitive flora from the end of the production line to the consumer phase. An original algorithm is proposed to integrate this growth in conditions of varying temperature. As part of a more general project led by the French Food Safety Agency (Afssa), specific data were acquired and modeled for this quantitative exposure assessment model, particularly time‐temperature profiles, prevalence data, and contamination‐level data. The sensitivity analysis points out the main influence of the mean temperature in household refrigerators and the prevalence of contaminated CSS on the exposure level. The outputs of this model can be used as inputs for further risk assessment.

Date: 2007
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https://doi.org/10.1111/j.1539-6924.2007.00921.x

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Persistent link: https://EconPapers.repec.org/RePEc:wly:riskan:v:27:y:2007:i:3:p:683-700

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